Vista Company manufactures electronic equipment. In 2021. It purchased from an outside supplier the special switches used in each of its products. The supplier charged Vista $2.70 per switch. As an alternative, Vista's CEO considered purchasing elther machine A or machine B so the company could manufacture its own switches. The CEO decided at the beginning of 2022 to purchase machine A. based on the following data: Machine A $ 155,000 0.70 Machine B $ 224,000 Annual fixed cost (depreciation) Variable cost per switch 0.40 Required: 1. Assume that machine A has not yet been purchased. What is the annual volume that would make the company indifferent between the two decision alternatives (e. purchasing and then using machine A to make the switches versus purchasing the switches from the outside vendor? 2. Assume that machine A has already been purchased. Is it preferable to use machine A to make the switches or to purchase the switches from the external supplier? 3. Assume that machine A has already been purchased. At what annual volume level should Vista consider replacing machine A with machine B? Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Assume that machine A has not yet been purchased. What is the annual volume that would make the company indifferent between the two decision alternatives (l.e, purchasing and then using machine A to make the switches versus purchasing the switches from the outside vendor)? (Do not round Intermediate calculations. Round your final answer up to the nearest whole number.) indifference point units/year Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required Assume that machine A has already been purchased. Is it preferable to use machine to make the switches or to purchase the switches from the external supplier? use machine A to make the switches Purchase the switches from the domat supplier Required 3 >